1. Continuous review (s, S) inventory system with random lifetimes and positive leadtimes;Kalpakam;Operations Research Letters,1994
2. (S−1, S) Perishable systems with stochastic lead times;Kalpakam;Mathematical and Computer Modelling,1995
3. On perishable inventory with Markov demand quantities;Krishna Moorthy;International Journal of Information and Management Sciences,1992
4. Perishable inventory theory: A review;Nahmias;Operations Research,1982
5. Neuts, M.F., 1981. Matrix-Geometric Solutions in Stochastic Models: An Algorithmic Approach. The Johns Hopkins University Press, Baltimore, MD.